Surface-sterilization of Glomus mosseae sporocarps for studying endomycorrhization in vitro

International audienc

Possible future development in arbuscular mycorrhizal inoculum production

International audienc

Possible future development in arbuscular mycorrhizal inoculum production

International audienc

The biotechnology of mycorrhizas

International audienc

Isolation from the Sorghum bicolor mycorrhizosphere of a bacterium compatible with arbuscular mycorrhiza development and antagonist towards soilborne fungal pathogens

International audienc

The Effect of Feeding High Level of Protein on Reproductive Performance of Bali Starling

Bali Starling naturally found in the western part of Bali Island, is a critically endangered species. The research aim was to improve their reproductive performance of egg production and hatcthability by feeding various levels of protein. Twelve pairs of Bali starling were divided into 4 treatment groups i.e C (control, commercial feed); T1 (protein 17%); T2 (protein 18%); T3 (protein 19%). Feed were made from combina- tions of Gryllus mitratus, Oecophylla smarag- dina’s egg, Musa acuminata balbisiana, Zea maize, Arachis Hypogaea, Glycine max, Vigna radiate and sh powder. The result showed T3: 19% protein had better result for egg production and hatchability. Keywords : Bali starling, Fertility, Hatchabil- ity, Reproductive perfomanc

Arbuscular mycorrhiza as a way of promoting sustainable growth of micropropagated plants

International audienc

Hydrolytic enzyme activity of Paenibacillus sp. strain B2 and effects of the antagonistic bacterium on cell integrity of two soil-borne pathogenic fungi

International audienc

Hydrolytic enzyme activity of Paenibacillus sp. strain B2 and effects of the antagonistic bacterium on cell integrity of two soil-borne pathogenic fungi

Paenibacillus sp. strain B2, isolated from the mycorrhizosphere of Sorghum bicolor and having an antagonistic activity towards soil-borne fungal pathogens, possessed extracellular cellulolytic, proteolytic, chitinolytic and pectinolytic enzyme activities. The eventual role of these lytic enzymes in cellular interactions between Paenibacillus sp. strain B2 and Phytophthora parasitica and Fusariumoxysporum was investigated by electron microscopy and molecular cytology. Electron microscopic observations showed that the presence of Paenibacillus sp. strain B2 resulted in disorganisation of cell walls and/or cell contents of P. parasitica and F. oxysporum. However, when P. parasitica was treated with commercial purified cellulase, protease, chitinase and pectinase, only protease had an inhibitory effect on mycelial growth. It is proposed that the inhibitory effect of Paenibacillus sp. strain B2 on the growth of soil-borne fungal pathogens is probably derived from more than one mechanism